You work in the quality-assurance department for a bottling company. A water bottle is supposed to contain 750 milliliters (mL) of water, and the company sets a tolerance of ±5 mL. What is the least amount of water that is considered acceptable?

740 mL
745 mL
750 mL
755 mL
760 mL

If value of cos330° is √3/2 then find tan165°.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?